1 /* $NetBSD: t_hmac.c,v 1.1 2016/07/02 14:52:09 christos Exp $ */ 2 3 /*- 4 * Copyright (c) 2016 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Christos Zoulas. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29 * POSSIBILITY OF SUCH DAMAGE. 30 */ 31 #include <sys/cdefs.h> 32 __RCSID("$NetBSD: t_hmac.c,v 1.1 2016/07/02 14:52:09 christos Exp $"); 33 34 #include <atf-c.h> 35 #include <string.h> 36 #include <stdlib.h> 37 #include <openssl/evp.h> 38 #include <openssl/hmac.h> 39 40 static void 41 test(void) 42 { 43 uint8_t tmp1[EVP_MAX_MD_SIZE]; 44 uint8_t tmp2[EVP_MAX_MD_SIZE]; 45 uint8_t key[256]; 46 uint8_t data[4096]; 47 unsigned int tmp1len; 48 size_t tmp2len; 49 int stop; 50 void *e1; 51 const void *evps[] = { 52 EVP_md2(), 53 EVP_md4(), 54 EVP_md5(), 55 EVP_ripemd160(), 56 EVP_sha1(), 57 EVP_sha224(), 58 EVP_sha256(), 59 EVP_sha384(), 60 EVP_sha512(), 61 }; 62 const char *names[] = { 63 "md2", 64 "md4", 65 "md5", 66 "rmd160", 67 "sha1", 68 "sha224", 69 "sha256", 70 "sha384", 71 "sha512", 72 }; 73 74 for (size_t k = 0; k < sizeof(key); k++) 75 key[k] = k; 76 for (size_t d = 0; d < sizeof(data); d++) 77 data[d] = d % 256; 78 79 for (size_t t = 0; t < __arraycount(names); t++) 80 for (size_t i = 1; i < sizeof(key); i += 9) 81 for (size_t j = 3; j < sizeof(data); j += 111) { 82 stop = 0; 83 #ifdef DEBUG 84 printf("%s: keysize = %zu datasize = %zu\n", names[t], 85 i, j); 86 #endif 87 memset(tmp1, 0, sizeof(tmp1)); 88 memset(tmp2, 0, sizeof(tmp2)); 89 e1 = HMAC(evps[t], key, i, data, j, tmp1, &tmp1len); 90 ATF_REQUIRE(e1 != NULL); 91 tmp2len = hmac(names[t], key, i, data, j, tmp2, 92 sizeof(tmp2)); 93 ATF_REQUIRE_MSG(tmp1len == tmp2len, "hash %s len %u " 94 "!= %zu", names[t], tmp1len, tmp2len); 95 for (size_t k = 0; k < tmp2len; k++) 96 if (tmp1[k] != tmp2[k]) { 97 #ifdef DEBUG 98 printf("%zu %.2x %.2x\n", 99 k, tmp1[k], tmp2[k]); 100 #endif 101 stop = 1; 102 break; 103 } 104 ATF_REQUIRE_MSG(!stop, "hash %s failed for " 105 "keylen=%zu, datalen=%zu", names[t], i, j); 106 } 107 } 108 109 ATF_TC(t_hmac); 110 111 ATF_TC_HEAD(t_hmac, tc) 112 { 113 atf_tc_set_md_var(tc, "descr", 114 "Test hmac functions for consistent results"); 115 } 116 117 ATF_TC_BODY(t_hmac, tc) 118 { 119 test(); 120 } 121 122 ATF_TP_ADD_TCS(tp) 123 { 124 ATF_TP_ADD_TC(tp, t_hmac); 125 return atf_no_error(); 126 } 127 128